var id;
var w;
var n;

function scrollIt()
{
	var box=document.getElementById(id),can=true,w=w||4500,fq=fq||1,n=n==-1?-1:1;
//	box.innerHTML+=box.innerHTML;
	box.onmouseover=function(){can=false};
	box.onmouseout=function(){can=true};
	var max=parseInt(box.scrollHeight-40);

	new function (){
		var stop=box.scrollTop%20==0&&!can;
		if(!stop){
			var set=n>0?[max,0]:[0,max];
			
			if(box.scrollTop==set[0])
			{
				n=-n;
				box.scrollTop=set[0]
				
				setTimeout(arguments.callee,fq);
				return;
			}else
			{
				box.scrollTop+=n;
			}
		};

		setTimeout(arguments.callee,box.scrollTop%20?fq:w);
	};
}

function scrollNews(ai,aw,an){
	id = ai;
	w = aw;
	n = an;
	setTimeout(function(){setTimeout(scrollIt, aw);}, aw)
	
};